7581493343 has 8 divisors (see below), whose sum is σ = 7753605120. Its totient is φ = 7409831800.

The previous prime is 7581493321. The next prime is 7581493363. The reversal of 7581493343 is 3433941857.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 7581493343 - 2¹⁶ = 7581427807 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (47).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7581493303) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 78383 + ... + 145968.

It is an arithmetic number, because the mean of its divisors is an integer number (969200640).

Almost surely, 2^7581493343 is an apocalyptic number.

7581493343 is a deficient number, since it is larger than the sum of its proper divisors (172111777).

7581493343 is a wasteful number, since it uses less digits than its factorization.

7581493343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 225117.

The product of its digits is 1088640, while the sum is 47.

The square root of 7581493343 is about 87071.7712177718. The cubic root of 7581493343 is about 1964.4979773197.

The spelling of 7581493343 in words is "seven billion, five hundred eighty-one million, four hundred ninety-three thousand, three hundred forty-three".